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?????? Api Spec 5ct

API 5CT ?? ????? ??? ???? ????? ?? ??? ???? ??????? ????????? ? ???? ????? ??????? ????? ????????? ???????.

?????? Astm A335

?????? Astm A335 ?? ?????? ??????? ????? ?????????. ???? ????? ??????? ??????? ??????? ?????? ??????.

?????? ?? Api 5 ??? Psl1

API 5L PSL1 ?????? ??????? ??? ?????? ???? ?????? ?????? ????????? ?? ??? ?????.

?????? ???? ERW

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????? ??? Api 5dp

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????? ????? Sa210

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?????? Astm A106

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?????? Astm A53

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2024-12-31 ??? ??????

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2024-12-30 ??? ??????

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2024-12-24 ??? ??????

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2024-12-23 ??? ??????

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2024-12-23 ??? ??????

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2024-12-22 ??? ??????

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2024-12-21 ??? ??????

??? 4140 ????? ???: ??? ?????? ?????? ????????

4140 ??????? ??? ??????? ?? ??? ?? ???????? ????????? ???????? ?? ??????? ??????? ??? ??? ???? ???? ?????? ?????? ????? ??????????? ?? ????? ????????? ? ?? ???? ?? ?????? ???? ?????? ????????. ???? ??????? "4140" ??? ????? ????? ????? ??? ?????? ????????????? ???????? ? ??? ????? ?? ?????? ??????????? ???????????. ?????? ?? ?????? ?? applic

2024-12-20 ??? ??????